‘Super agers’ have youthful brains

A study out of Massachusetts General Hospital has found that some older adults have brains and mental acuity equal to people 20 to 30 years younger. They describe mature people whose memories are unusually resilient as “super agers.” Their brains have youthful characteristics, researchers said.

“We looked at a set of brain areas known as the default mode network, which has been associated with the ability to learn and remember new information, and found that those areas, particularly the hippocampus and medial prefrontal cortex, were thicker in super agers than in other older adults,” said senior author Alexandra Touroutoglou. “In some cases, there was no difference in thickness between super agers and young adults.”

The findings have important public health implications, researchers said.

“We desperately need to understand how some older adults are able to function very well into their seventh, eighth, and ninth decades,” said another author, Bradford Dickerson, M.D. “This could provide important clues about how to prevent the decline in memory and thinking that accompanies aging in most of us.”

And now for something less encouraging

If there’s an opposite of super agers, it might be the older Americans who don’t get any exercise.

The U.S. Centers for Disease Control and Prevention reported recently that more than 1 in 4 adults aged 50 or over got no exercise outside of work in the month before they were surveyed.

This is an invitation to trouble, the authors of the report said.

“Physical activity can help, delay, prevent or manage many of the chronic diseases for which adults aged 50 or over are at risk,” they wrote.

For the CDC, the findings amount to a call for planners, health advocates and officials to find ways to get adults moving. The authors suggest a range of possibilities, from making streets and paths safer for pedestrians to organizing mall-walking programs.

“Communities can be designed and enhanced to make it safer and easier for persons of all ages and abilities to be physically active,” they wrote.

Ways to age in good health

Here are a few of the things older adults can do to stay healthy, physically and mentally:

Make everyday activities easier with endurance exercises such as walking or riding a bike.

Do activities that promote balance, strength and focused attention.

Keep your brain active by working on activities you enjoy, such as crosswords, and by socializing.

Establish a routine that helps you sleep well.

Continue to get regular health screenings and immunizations as needed.

The CDC report, “Physical Inactivity Among Adults Aged 50 Years and Older – United States, 2014,” was published as part of the Morbidity and Mortality Weekly Report and is downloadable from the agency website.

The National Institutes of Health’s “Healthy Aging” page links to a variety of subtopics, from dealing with balance problems to quitting smoking.

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